Siemens 3VA21165HN420AA0-160A 4P 55KA MP ETU350 LSI 415VAC 50Hz

The Siemens 3VA21165HN420AA0 is a 160A, 4-pole molded case circuit breaker (MCCB) designed for reliable protection in industrial power distribution systems. With a 55kA short-circuit breaking capacity, it provides robust protection against overloads and short circuits. The breaker features an MP ETU350 LSI (long, short, instantaneous) trip unit for precise overload and fault protection. Rated for 415VAC and 50Hz, it ensures efficient, safe operation in demanding environments.